Home / 3,609,631.72-4,981,292.58-2,159,387.56

Finding the Fourth Proportional to 3,609,631.72, 4,981,292.58 and 2,159,387.56

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Solution

The fourth proportional to 3,609,631.72, 4,981,292.58 and 2,159,387.56 is: 2,979,955.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,609,631.72 : 4,981,292.58 = 2,159,387.56 : x
  2. Step 2: Convert to fraction form
    3,609,631.72/4,981,292.58 = 2,159,387.56/x
  3. Step 3: Cross multiply
    3,609,631.72x = 4,981,292.58 × 2,159,387.56
  4. Step 4: Simplify right side
    3,609,631.72x = 10,756,541,229,972.30
  5. Step 5: Solve for x
    x = 10,756,541,229,972.30/3,609,631.72
  6. Step 6: Final answer
    x = 2,979,955.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.